TM-9-2350-238-34-2

CRANE (CAB) COMPONENTS, RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

APRIL 1992

TM-9-2350-238-34-2 - Page 292 of 327

TM 9-2350-238-34-2

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Install one eye lifting bolt in threaded

hole of inner race (2).

Install spring scale to eye lifting bolt. Pull

spring scale until inner race (2) moves

and reads scale measurement. Scale

must read 75 lb (34 kg) or less for pro-

per bearing load before lubrication.

If spring scale reading exceeds 75 lb (34

kg) disassemble turret bearing. Inspect

all ball bearings (3) for damage. Inspect

retainer (4) and bolts for proper place-

ment in turret bearing (6).

If spring scale reading indicates proper

bearing load, remove spring scale and

eye lifting bolt.

New lower seal assembly must slide

on inner race. Make sure no

adhesive is applied to surface of in-

ner race, or surface of new lower

seal assembly that contacts inner

race.

Coat seal groove of outer race (1) with

adhesive (item 1, appx B).

Coat mounting edges of new lower seal

assembly (1 4) with adhesive (item 1,

appx B).

Install new lower seal assembly (14) in

groove of outer race (1). Trim new lower

seal assembly to length during install-

ation.

Coat threads of 24 hexagon head cap-

screws (15) with sealing compound (item

18, appx B).

Install four seal retaining plates (16) over

new lower seal (14) and secure to outer

race (1) with 24 new Iockwashers (17)

and 24 hexagon head capscrews (15).

Using sling, turn bearing assembly to

rest on inner race (2).

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